Finding the Fourth Proportional to 9,074.59, 12,524.33 and 5,539.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,074.59 : 12,524.33 = 5,539.87 : x
2. Step 2: Convert to fraction form
   9,074.59/12,524.33 = 5,539.87/x
3. Step 3: Cross multiply
   9,074.59x = 12,524.33 × 5,539.87
4. Step 4: Simplify right side
   9,074.59x = 69,383,132.34
5. Step 5: Solve for x
   x = 69,383,132.34/9,074.59
6. Step 6: Final answer
   x = 7,645.87